BR112021012479A2 - Dispositivo de codificação de imagem em movimento, método de codificação de imagem em movimento, programa de codificação de imagem em movimento, dispositivo de decodificação de imagem em movimento, método de decodificação de imagem em movimento e programa de decodificação de imagem em movimento - Google Patents

Dispositivo de codificação de imagem em movimento, método de codificação de imagem em movimento, programa de codificação de imagem em movimento, dispositivo de decodificação de imagem em movimento, método de decodificação de imagem em movimento e programa de decodificação de imagem em movimento Download PDF

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Publication number
BR112021012479A2
BR112021012479A2 BR112021012479-9A BR112021012479A BR112021012479A2 BR 112021012479 A2 BR112021012479 A2 BR 112021012479A2 BR 112021012479 A BR112021012479 A BR 112021012479A BR 112021012479 A2 BR112021012479 A2 BR 112021012479A2
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BR
Brazil
Prior art keywords
affine
motion vector
merge candidate
block
vector predictor
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BR112021012479-9A
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English (en)
Portuguese (pt)
Inventor
Shigeru Fukushima
Hiroya Nakamura
Toru Kumakura
Hideki Takehara
Satoru Sakazume
Hiroyuki Kurashige
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Jvckenwood Corporation
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Publication of BR112021012479A2 publication Critical patent/BR112021012479A2/pt

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/527Global motion vector estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/537Motion estimation other than block-based
    • H04N19/54Motion estimation other than block-based using feature points or meshes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR112021012479-9A 2018-12-28 2019-12-20 Dispositivo de codificação de imagem em movimento, método de codificação de imagem em movimento, programa de codificação de imagem em movimento, dispositivo de decodificação de imagem em movimento, método de decodificação de imagem em movimento e programa de decodificação de imagem em movimento BR112021012479A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018247409 2018-12-28
JP2018-247409 2018-12-28
PCT/JP2019/050012 WO2020137850A1 (ja) 2018-12-28 2019-12-20 動画像符号化装置、動画像符号化方法及び動画像符号化プログラム、動画像復号装置、動画像復号方法及び動画像復号プログラム

Publications (1)

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BR112021012479A2 true BR112021012479A2 (pt) 2021-09-08

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Country Status (8)

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US (4) US11503278B2 (es)
EP (1) EP3905688A4 (es)
JP (5) JP6763466B2 (es)
KR (2) KR20230137505A (es)
CN (2) CN112352433B (es)
BR (1) BR112021012479A2 (es)
MX (1) MX2021007708A (es)
WO (1) WO2020137850A1 (es)

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JP7247345B2 (ja) * 2018-12-13 2023-03-28 ベイジン、ターチア、インターネット、インフォメーション、テクノロジー、カンパニー、リミテッド ビデオ復号化方法、ビデオ復号化装置、及びプログラム
WO2020137850A1 (ja) * 2018-12-28 2020-07-02 株式会社Jvcケンウッド 動画像符号化装置、動画像符号化方法及び動画像符号化プログラム、動画像復号装置、動画像復号方法及び動画像復号プログラム
CN112042191B (zh) * 2019-01-01 2024-03-19 Lg电子株式会社 以基于历史的运动矢量为基础预测处理视频信号的方法和设备
CN113784132B (zh) * 2019-02-20 2023-04-25 北京达佳互联信息技术有限公司 用于帧间预测的运动向量舍入、截取和存储的方法和装置

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EP1274254B1 (en) 1995-08-29 2011-07-06 Sharp Kabushiki Kaisha Video coding device and video decoding device with a motion compensated interframe prediction
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KR20100077551A (ko) * 2008-12-29 2010-07-08 주식회사 동부하이텍 동영상의 흔들림 보정 장치 및 동영상의 흔들림 보정 방법
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WO2016008157A1 (en) * 2014-07-18 2016-01-21 Mediatek Singapore Pte. Ltd. Methods for motion compensation using high order motion model
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WO2020137850A1 (ja) * 2018-12-28 2020-07-02 株式会社Jvcケンウッド 動画像符号化装置、動画像符号化方法及び動画像符号化プログラム、動画像復号装置、動画像復号方法及び動画像復号プログラム

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US20230328232A1 (en) 2023-10-12
CN112352433B (zh) 2024-06-28
US11917133B2 (en) 2024-02-27
KR20230137505A (ko) 2023-10-04
JP2020195165A (ja) 2020-12-03
MX2021007708A (es) 2021-08-05
JP7331916B2 (ja) 2023-08-23
JP6763466B2 (ja) 2020-09-30
US20230020931A1 (en) 2023-01-19
JP2023129691A (ja) 2023-09-14
US11503278B2 (en) 2022-11-15
KR20210015899A (ko) 2021-02-10
JP2023165848A (ja) 2023-11-17
EP3905688A4 (en) 2022-09-28
CN112954366A (zh) 2021-06-11
CN112352433A (zh) 2021-02-09
EP3905688A1 (en) 2021-11-03
KR102583811B1 (ko) 2023-09-26
JP2022051734A (ja) 2022-04-01
US20210243436A1 (en) 2021-08-05
US20230328230A1 (en) 2023-10-12
JP7015013B2 (ja) 2022-02-02
JP2020109964A (ja) 2020-07-16
WO2020137850A1 (ja) 2020-07-02

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